I've been told by my pioneer gilead graduate uncle that Noah didn't have to do any preaching work. He says Jehovah "saw that the whole earth was wicked except for him" so there was no necessity to preach.
Sick, twisted reasoning.
Yes well Noah did preach the coming deluge, those that wanted to repent could have, besides Noah preached the end of that world of that time, and Jehovah always gives warning before he acts. So Noah did preach and warned of the flood, but they all scoffed and laughed at him, then the flood came the door to the ark of salvation was closed and it was to late.
Jesus said..just like the days of Noah they took no note, and they died. (Mat 24:37-39)
Either you believe what the bible says or you don't.